The accident took place around 12:30pm after the private car rammed into a covered van from behind, killing the three on the spot and injuring the couple's domestic help, said Sub-Inspector Billal Hossain of Bhaberchar highway police.

In Lalmonirhat, two motorcyclists were killed after being hit by a truck in Patgram upazila, leaving them dead on the spot.

The deceased were identified as Khorshed Alam, 40, and Arif Hossain, 38, both hailing from Golgao Bazar of the district town, said Mahfuz Alam, officer-in-charge of Sadar Police Station.

In Khulna, an eighth grader was killed and 20 others were injured when a picnic bus overturned at Chuknagar in Dumuria Upazila.

The deceased was identified as Meghla, a student of Shyamnagar Girls' High School in Jashore Sadar upazila. The accident took place on the Khulna-Satkhira Highway around 11:30am.

A bus carrying 60 students, teachers and staff of the school overturned while heading to Shat Gambuj mosque, killing the girl on the spot, said Aminul Islam Biplab, officer-in-charge of Dumuria Police Station.

The injured were taken to Khulna Medical College Hospital.

In Cox’s Bazar, an elderly man was killed after being hit by a speeding motorcycle on Dhaka-Chattogram Highway in Islampur area in the morning.

The deceased was identified as Bashir Ahmed, son of Jamal Ahmed of Pokkhali, said Malumghat Highway Police in-charge Md Alamgir Hossain.